You just pop off your current bike's front wheel and install theirs...And then you remove your bottle cage to install their battery (hope you don't ride a small frame). And then you install the speed/cadence sensor. Then you install the display/swtich/throttle assembly. Then you wire it all up.
And then you get into all the compatibility problems - many e-bike conversion kits are sold with a freehub that's not the correct size for modern cassettes (comes with HG 9-speed, need an HG 11-speed, XD, XDR, or Microspline freehub). Axle widths and axle type (bolt, QR, thru-axle).
Granted, all the above is easier than it sounds, but it's not quite as simple as "swap wheel, done". You need a working knowledge of bicycles to do this.
Then there's the cost. Basic "unbranded" kits are $500 or so. Brand-name kits, larger battery, or mid-drive kits cost more. Is it worth putting a $500 kit on an old bike that's only worth $100? Or, are you better off buying a new bike with warranty and no need for service for years (which will cost $1500-$3000).
And then you remove your bottle cage to install their battery (hope you don't ride a small frame). And then you install the speed/cadence sensor. Then you install the display/swtich/throttle assembly. Then you wire it all up.
And then you get into all the compatibility problems - many e-bike conversion kits are sold with a freehub that's not the correct size for modern cassettes (comes with HG 9-speed, need an HG 11-speed, XD, XDR, or Microspline freehub). Axle widths and axle type (bolt, QR, thru-axle).
Granted, all the above is easier than it sounds, but it's not quite as simple as "swap wheel, done". You need a working knowledge of bicycles to do this.
Then there's the cost. Basic "unbranded" kits are $500 or so. Brand-name kits, larger battery, or mid-drive kits cost more. Is it worth putting a $500 kit on an old bike that's only worth $100? Or, are you better off buying a new bike with warranty and no need for service for years (which will cost $1500-$3000).